JS
John S.
Verified on Trustpilot10 Aug 2026
Excellent service from first enquiry…
Excellent service from first enquiry through to fitting. I was sceptical at first and carried out various checks. All proved positive. 11/10. Highly recommended.
Lexus RX 300 rear window replacement — booked online.
Rear window replacement for the 2003–2006 Lexus RX 300 — booked online in under two minutes, fitted by approved fitters across the UK.
Prices from £761 to £873
4.81 / 5 ·
1,472 Trustpilot reviews
Get your quote
Under 60 secondsMake
Lexus
Model
RX 300
No card required · Free to quote
- Instant online prices
- Vetted specialist network
- OEE glass, factory-spec match
- 2-year workmanship warranty
Lexus RX 300 rear window price, by year
Pricing for RX 300 rear-window replacement varies based on the specific variant and the features integrated into the glass — particularly the heating element and antenna configuration. Early and late-production examples may have minor specification differences that affect supply cost, though these are reflected in the quote process.
| Year | Price range | Variants | Quote |
|---|---|---|---|
| 2006 | £761 — £873 | 2 variants | Price my 2006 |
| 2005 | £761 — £873 | 2 variants | Price my 2005 |
| 2004 | £761 — £873 | 2 variants | Price my 2004 |
| 2003 | £761 — £873 | 2 variants | Price my 2003 |
The displayed range is an indicator — the final price is produced by the quote form after you confirm your variant. Older RX 300s can still be booked.
Recent UK Car Glass reviews
Reviews below are hand-picked from recent UK customers. Across the whole of UK Car Glass, 4.81/5 from 1,472 Trustpilot reviews.
What to expect during your Lexus RX 300 rear window replacement
Rear-window replacement is a straightforward process, typically completed within a couple of hours from arrival to finish.
- 1
Start with an instant online quote via our guided quiz — identify your exact RX 300 variant in under 60 seconds.
- 2
Complete your booking in under two minutes, choosing mobile or workshop location.
- 3
We match you with an approved fitter in your area and confirm a convenient appointment.
- 4
Your fitter arrives with the replacement glass, removes the shattered rear window, and fits the new unit with its heating element and antenna intact.
- 5
A shattered rear window means shard cleanup is part of the job — your fitter will clear all accessible glass, though small shards can lodge in places that need deeper detailing afterwards.
- 6
We recommend a professional valet or interior clean after the fit to ensure a thorough finish.
- 7
Your replacement carries a two-year warranty covering workmanship and glass quality.
Arrange your RX 300 rear-window replacement through UK Car Glass and benefit from our nationwide network and Trustpilot-backed service.
Mobile fitting or workshop visit for your RX 300?
Most RX 300 rear-window replacements are fitted mobile at your address — the job doesn't require ADAS calibration or specialist workshop equipment. Your approved fitter will arrange the most convenient location during booking, and can typically work at home, work, or a local address that suits you.
We confirm the specific answer for your vehicle when you book.
What features does your RX 300 have?
Tap a feature to see what it is, how to spot it on your car, and how it affects glass replacement. We confirm the exact match for your vehicle when you book.
Antenna2
2003–2006An aerial laminated into the windscreen or rear window restores radio, DAB or TV reception without a roof-mounted mast.
What it means
An antenna is a conductive print laminated into the glass during manufacture, typically used for radio, DAB (digital audio broadcasting) or television reception. It replaces the traditional roof-mounted aerial mast found on older vehicles. The antenna is integrated into the glass interlayer and connected to the vehicle's receiver unit via a connector embedded in the glass edge. This design offers a cleaner aesthetic, reduces wind noise, and eliminates the vulnerability of a protruding mast to damage or theft.
How to tell
Check your vehicle's roof — if there is no visible aerial mast, your car likely has a laminated antenna. You can also ask your dealer or service centre whether your windscreen or rear window carries an antenna print. The connector may be visible on the glass edge or inside the door frame trim.
Replacement impact
When replacing glass with a laminated antenna, the replacement must carry the matching antenna print and connector to restore reception immediately on fitting. Aftermarket or original-equipment glass with the correct antenna specification is essential; a plain replacement will leave you without radio or DAB signal. Our fitters verify the antenna specification during booking and source the correct variant before the appointment.
Bronze Privacy2
2003–2006Dark Bronze is a factory tint applied to rear windows and doors for privacy and heat reduction.
What it means
Dark Bronze, officially known as Privacy Glass, is a tinted glass feature created during manufacturing through a deep-dipping process. The inside surface of the glass is dyed with dark pigment, giving the rear half of the vehicle a darker appearance than the front. This serves two purposes: it reduces glare and heat entering the rear cabin, and it provides occupants with greater privacy by limiting visibility into the rear passenger area from outside. It's a permanent feature of the glass itself, not a removable film or coating.
How to tell
Look at your rear door windows and rear window — if they're noticeably darker than your front windscreen and front door windows, you have Dark Bronze tint. You can also check your vehicle's specification sheet or contact your dealer to confirm whether Privacy Glass was fitted as standard on your model.
Replacement impact
Dark Bronze replacement glass must match the original tint level to maintain the vehicle's appearance and privacy. OE (original equipment) glass with the correct tint is essential — aftermarket untinted glass will look visibly lighter and won't provide the same heat or privacy performance. When we source your replacement, we confirm the exact tint specification for your vehicle to ensure a perfect match.
Heated Rear Windscreen2
2003–2006Heated rear windscreen with integrated wires clears mist and ice when you switch on the demister.
What it means
A heated rear windscreen contains fine heating wires embedded within the glass. When you activate the rear demister, an electrical current passes through these wires, warming the glass and melting ice or condensation. This feature is particularly useful in cold or damp weather, improving rear visibility quickly. The heating grid is integral to the glass and connected to your vehicle's electrical circuit via connectors at the base of the windscreen.
How to tell
Look at the rear windscreen from inside the vehicle — you will see a fine grid of horizontal lines across the glass, typically bronze or copper in colour. On the dashboard or steering wheel stalk, there will be a dedicated rear-demist button, usually marked with a windscreen symbol and heating lines. If in doubt, ask your vehicle's service centre or consult your handbook.
Replacement impact
Replacement rear windscreens with heated grids are widely available as original-equipment aftermarket or dealership parts. The new glass must include the factory heating grid and electrical connectors intact. The technician will reconnect the heating circuit to your vehicle's rear-demist switch. Heated rear windscreens are bonded glass, so adhesive cure time applies; drive-away time will be confirmed by the fitter on the day.
About the Lexus RX 300
The Lexus RX 300 was produced from 2003 to 2006, establishing the RX nameplate as a mid-size luxury SUV favourite in the UK market. Its rear window is a toughened-glass panel designed to endure the demands of active family use.
RX 300 rear windows feature integrated heating elements and an AM/FM antenna laminated into the glass itself — both must be preserved during replacement to maintain your vehicle's defroster function and radio reception. Your replacement glass will match these factory specifications and is sourced to deliver the same durability and fit quality as the original.
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